MESON Chess Problem Database

Problem Display
PID: 183765 (4K2R/8/6p1/4pNP1/1R2q1kn/Q5nN/4pPpp/4Bbrr w - - 0 1)

Weenink, Henri Gerard Maria

Clubniews, 1927

(First published on Wed Nov 2 1927)

4K2R/8/6p1/4pNP1/1R2q1kn/Q5nN/4pPpp/4Bbrr

#2

9 + 12

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh3
      • 2.Qxg3#
    • 1...Sgxf5
      • 2.Rxe4#
    • 1...Sh5
      • 2.Sh6#
    • 1...Sf3
      • 2.Se3#
    • 1...Shxf5
      • 2.f3#
    • 1...gxf5
      • 2.Qxg3#
  • Tries
    • 1.Sxh4?
      • threat
        • 2.Qxg3#
      • 1...Kxh3
        • 2.Qxg3#
      • 1...Sf5
        • 2.Rxe4#
        • 2.Qf3#
      • 1...Sh5!
    • 1.Sh6+?
      • 1...Kxh3
        • 2.Qxg3#
      • 1...Kh5!
    • 1.Qf3+?
      • 1...Kxh3
        • 2.Qxg3#
      • 1...Sxf3
        • 2.Se3#
      • 1...Kxf3!
  • Keys
    • 1.Qd3!
      • 1...Kxh3
        • 2.Qxg3#
      • 1...Kxf5
        • 2.Qd7#
      • 1...Qxb4
        • 2.Rxh4#
      • 1...Sgxf5
        • 2.Rxe4#
      • 1...Shxf5
        • 2.f3#
      • 1...gxf5
        • 2.Qxg3#
      • 1...Sh5
        • 2.Sh6#
      • 1...Qc4
        • 2.Rxh4#
      • 1...Qd4
        • 2.Rxh4#
      • 1...Qf4
        • 2.Rxh4#
      • 1...Sf3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(i);N_SPINQ(h),P_SPINS(g),S_FLIGHT,XS(D)::QAR1(C),XS(g)
    • S(g);N_GUARD,SBLOCK,XS(F)::R(E),XQ(h)
    • S(g);SBLOCK::S(F)
    • S(j);SBLOCK::S(F)
    • S(j);N_GUARD,SBLOCK,XS(F)::P(B)
    • P(l);SBLOCK,XS(F)::QAR1(C),XS(g)
  • Tries
    • Try
      • S(F);XS(j)
      • Threat
        • QAR1(C),XS(g)
      • Vars
        • K(i);N_SPINQ(h),P_SPINS(g),S_FLIGHT,XS(D)::QAR1(C),XS(g)
      • Refutation
        • S(g);
    • Try
      • S(F);CHECK
      • Vars
        • K(i);N_SPINQ(h),P_SPINS(g),S_FLIGHT,XS(D)::QAR1(C),XS(g)
      • Refutation
        • K(i);N_SPINQ(h),S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(i);N_SPINQ(h),P_SPINS(g),S_FLIGHT,XS(D)::QAR1(C),XS(g)
        • S(j);SBLOCK,XQ(C)::S(F)
      • Refutation
        • K(i);N_SPINQ(h),S_FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(i);N_SPINQ(h),P_SPINS(g),S_FLIGHT,XS(D)::QAR1(C),XS(g)
      • K(i);OGATEB,S_FLIGHT,XS(F)::QAB(C)
      • Q(h);N_SPINQ(h),XR(E)::R1(I),XS(j)
      • S(g);N_GUARD,SBLOCK,XS(F)::R(E),XQ(h)
      • S(j);N_GUARD,SBLOCK,XS(F)::P(B)
      • P(l);SBLOCK,XS(F)::QAR1(C),XS(g)
      • S(g);SBLOCK::S(F)
      • Q(h);::R1(I),XS(j)
      • S(j);SBLOCK::S(F)
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